Finding the Fourth Proportional to 284,486.96, 426,631.62 and 158,319.74
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Solution
The fourth proportional to 284,486.96, 426,631.62 and 158,319.74 is: 237,424.62
Step by Step Solution
- Step 1: Write the proportion equation
284,486.96 : 426,631.62 = 158,319.74 : x - Step 2: Convert to fraction form
284,486.96/426,631.62 = 158,319.74/x - Step 3: Cross multiply
284,486.96x = 426,631.62 × 158,319.74 - Step 4: Simplify right side
284,486.96x = 67,544,207,154.18 - Step 5: Solve for x
x = 67,544,207,154.18/284,486.96 - Step 6: Final answer
x = 237,424.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.